gurshaan96
gurshaan96 gurshaan96
  • 17-02-2020
  • Mathematics
contestada

F is directly proportional to a.
If F = 24 when a = 8 find,
a when F = 18​

Respuesta :

Onoriodefelix
Onoriodefelix Onoriodefelix
  • 17-02-2020

Answer:

K = 3

a = 6

Step-by-step explanation:

F is directly proportional to a

That’s F = Ka

K is the constant

Divide both sides by a to get the constant k

K = F/a

When F = 24 and a =8

K = 24/8

= 3

When F = 18

a = ?

F = Ka

18 = 3 x a

18 = 3 x a

Divide both sides by 3

18/3 = 3 x a /3

6 = a

a = 6

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